embassy in benghazi, there are reports that four people have been arrested. the libyan prime minister has said, expect more arrests. george? >> we'll keep an eye on it. thanks very much. >>> we're going to turn to the big economic news here at home. that could affect your money. ben bernanke announcing dramatic new moves to pump up the economy. bianna golodryga with more on that. start out by explaining what the fed is doing. >> reporter: the fed announced an aggressive program to buy back about $40 billion of mortgage-backed securities every single month. what does that mean? you saw huge response in the stock market. your 401(k) is going to bounce up from that. you'll feel like you have more money in your pocket and you'll spend more money. businesses will do the same. interest rates remain low, near zero, through 2015. that will inspire people to go out and buy homes. anything to retrigger the economy for both. >> and investing, as well. when i spoke to mitt romney, he's been critical of ben bernanke. he won't reappoint him if he is elected president. he s